This has a special 3 wheel mechanism you will easily be able to go up stairs house entrances and kerbs you no longer have to carry your bags just pull them behind you if you want to carry a crate just remove the reflective bag you can quickly fold it down and it will fit into a 10 cm corner there is a compartment for an umbrella but there is no umbrella supplied material frame metal bag 100 polyester size when put up 97 x 44 x 35 cm volume 30 litre takes weight